Author: jhb
Date: Thu Oct 10 16:11:34 2013
New Revision: 256274
URL: http://svnweb.freebsd.org/changeset/base/256274
Log:
Ignore attempts to set the nmbcluster sysctls to their current value
rather than failing with an error.
Reviewed by: andre
Approved by: re (delphij)
MFC after: 2 weeks
Modified:
head/sys/kern/kern_mbuf.c
Modified: head/sys/kern/kern_mbuf.c
==============================================================================
--- head/sys/kern/kern_mbuf.c Thu Oct 10 15:39:02 2013 (r256273)
+++ head/sys/kern/kern_mbuf.c Thu Oct 10 16:11:34 2013 (r256274)
@@ -161,7 +161,7 @@ sysctl_nmbclusters(SYSCTL_HANDLER_ARGS)
newnmbclusters = nmbclusters;
error = sysctl_handle_int(oidp, &newnmbclusters, 0, req);
- if (error == 0 && req->newptr) {
+ if (error == 0 && req->newptr && newnmbclusters != nmbclusters) {
if (newnmbclusters > nmbclusters &&
nmbufs >= nmbclusters + nmbjumbop + nmbjumbo9 + nmbjumbo16)
{
nmbclusters = newnmbclusters;
@@ -183,7 +183,7 @@ sysctl_nmbjumbop(SYSCTL_HANDLER_ARGS)
newnmbjumbop = nmbjumbop;
error = sysctl_handle_int(oidp, &newnmbjumbop, 0, req);
- if (error == 0 && req->newptr) {
+ if (error == 0 && req->newptr && newnmbjumbop != nmbjumbop) {
if (newnmbjumbop > nmbjumbop &&
nmbufs >= nmbclusters + nmbjumbop + nmbjumbo9 + nmbjumbo16)
{
nmbjumbop = newnmbjumbop;
@@ -204,7 +204,7 @@ sysctl_nmbjumbo9(SYSCTL_HANDLER_ARGS)
newnmbjumbo9 = nmbjumbo9;
error = sysctl_handle_int(oidp, &newnmbjumbo9, 0, req);
- if (error == 0 && req->newptr) {
+ if (error == 0 && req->newptr && newnmbjumbo9 != nmbjumbo9) {
if (newnmbjumbo9 > nmbjumbo9 &&
nmbufs >= nmbclusters + nmbjumbop + nmbjumbo9 + nmbjumbo16)
{
nmbjumbo9 = newnmbjumbo9;
@@ -225,7 +225,7 @@ sysctl_nmbjumbo16(SYSCTL_HANDLER_ARGS)
newnmbjumbo16 = nmbjumbo16;
error = sysctl_handle_int(oidp, &newnmbjumbo16, 0, req);
- if (error == 0 && req->newptr) {
+ if (error == 0 && req->newptr && newnmbjumbo16 != nmbjumbo16) {
if (newnmbjumbo16 > nmbjumbo16 &&
nmbufs >= nmbclusters + nmbjumbop + nmbjumbo9 + nmbjumbo16)
{
nmbjumbo16 = newnmbjumbo16;
@@ -246,7 +246,7 @@ sysctl_nmbufs(SYSCTL_HANDLER_ARGS)
newnmbufs = nmbufs;
error = sysctl_handle_int(oidp, &newnmbufs, 0, req);
- if (error == 0 && req->newptr) {
+ if (error == 0 && req->newptr && newnmbufs != nmbufs) {
if (newnmbufs > nmbufs) {
nmbufs = newnmbufs;
nmbufs = uma_zone_set_max(zone_mbuf, nmbufs);
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
